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Finding the Fourth Proportional to 166,776.49, 249,955.15 and 119,143.63

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Solution

The fourth proportional to 166,776.49, 249,955.15 and 119,143.63 is: 178,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,776.49 : 249,955.15 = 119,143.63 : x
  2. Step 2: Convert to fraction form
    166,776.49/249,955.15 = 119,143.63/x
  3. Step 3: Cross multiply
    166,776.49x = 249,955.15 × 119,143.63
  4. Step 4: Simplify right side
    166,776.49x = 29,780,563,908.19
  5. Step 5: Solve for x
    x = 29,780,563,908.19/166,776.49
  6. Step 6: Final answer
    x = 178,565.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.